3 Book Set
Master Physical Science with this Hands-on Series! Teach the various types of Machines in Motion using concepts of gravity, air pressure, and motion. Study inclined plane, wedge, screw, lever, wheel and axel, and pulley. Students will understand the properties of air and the principles of flight, and will be able to relate science and technology to life outside the classroom.
OTM2119 - Force & Motion
OTM299 - Simple Machines
OTM2101 - Characteristics of Flight
96 pages each